.header-content
  height 100%
  display flex
  flex-direction row
  flex-flow nowrap
  justify-content space-between
  .back
    flex-basis 20%
  .title
    font-weight bold
    flex-basis 80%
  .other
    flex-basis 20%
    text-align right
    line-height 50px
.content-position
  display -webkit-box
  -webkit-box-align center
  -webkit-box-pack center /*水平居中*/
